基本解释[物理学]电弧自身调节英汉例句双语例句In general, the self-regulation effect of arc increases with the reducing of two-core span and increasing of welding current.一般随焊芯间距的减小及焊接电流的增大，电弧自调节作用增强。arc self-regulation更多例句专业释义物理学电弧自身调节